Issue: When an external user is sending an email to a distribution group which consists of both internal and external users. Emails to internal users get delivered but fails to be delivered to external members of the group. Sometimes the sender doesn't even get NDR as they might not have been enabled. You can always... Continue Reading →
Script To Get A List Of All Mailboxes Along with All its Email Aliases
Connect to Exchange Online $UserCredential = Get-Credential$Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri http://outlook.office365.com/powershell-liveid/ -Authentication Basic -AllowRedirection:$true -Credential $UserCredentialImport-PSSession $Session -DisableNameChecking:$true -AllowClobber:$true | Out-Null Get all Exchange Online users $AllUsers = Get-Mailbox -ResultSize Unlimited Iterate through each user and retrieve email address aliases foreach ($User in $AllUsers) {$UserPrincipalName = $User.UserPrincipalName$PrimarySMTP = $User.PrimarySmtpAddress$EmailAliases = $User.EmailAddresses # Output... Continue Reading →
Emails Being Rejected on O365: Bare Line Feed Characters
This usually happens when a 3rd party server is emailing you which includes characters which causes emails to be rejected. Microsoft used to remove these characters before, but they stopped doing so. As per Microsoft documentation, receive connector need to be adjusted to fix this but that applies to on-prem exchange only. I couldn’t find... Continue Reading →
Salman Tariq
SalmanTechBlogs 